Fig. 2From: Comparison of seasonal and longitudinal variation of daytime MSTID activity using GPS observation and GAIA simulationsLocal time and seasonal variations of (top and middle) MSITD activities obtained from GPS observation and GAIA model simulation, and (bottom) standard deviation of meridional wind variation at an altitude of 300Â km in GAIA model at four different locations in the northern hemisphere, viz. Western USA, Eastern USA, Europe and JapanBack to article page